212034222 has 24 divisors (see below), whose sum is σ = 462164976. Its totient is φ = 70253856.

The previous prime is 212034191. The next prime is 212034233. The reversal of 212034222 is 222430212.

212034222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×212034222² = 89917022598290568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 212034195 and 212034204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32263 + ... + 38274.

It is an arithmetic number, because the mean of its divisors is an integer number (19256874).

Almost surely, 2^212034222 is an apocalyptic number.

212034222 is an abundant number, since it is smaller than the sum of its proper divisors (250130754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212034222 is a wasteful number, since it uses less digits than its factorization.

212034222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70712 (or 70709 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 212034222 is about 14561.3949194437. The cubic root of 212034222 is about 596.3052784212.

Adding to 212034222 its reverse (222430212), we get a palindrome (434464434).

It can be divided in two parts, 21203 and 4222, that added together give a triangular number (25425 = T₂₂₅).

The spelling of 212034222 in words is "two hundred twelve million, thirty-four thousand, two hundred twenty-two".